Immune Health

Low Vitamin D Tied to Higher Hospitalization Risk

A large UK study links severe vitamin D deficiency to more hospital admissions for respiratory infections, though the findings show association, not cause.

Stool Tests and Diet Clues May Help Predict IBD Flares

A large UK study suggests routine inflammation markers, combined with diet patterns, could identify people at higher risk of relapse even when they feel well.

Fat Near the Colon Plays a Unique Role in Immune Signaling

New human tissue research suggests fat surrounding the colon is specially adapted to interact with the gut’s immune system.

A Fasting-Mimicking Diet May Ease Symptoms in Mild Crohn’s Disease

A randomized clinical trial finds short, monthly calorie restriction improved symptoms and inflammation markers in people with mild-to-moderate Crohn’s disease.

Mercury Exposure and Nutrition Can Coexist in Traditional Diets

New research links waterfowl consumption to both omega-3 benefits and mercury exposure in northern Indigenous communities, underscoring the need for balanced monitoring rather than avoidance.

Breast Milk Microbes May Help Shape an Infant’s Gut Microbiome

A new study traces specific bacterial strains from human milk to babies’ guts, offering insight into early microbiome development.

Diet May Influence How Cholera Behaves in the Gut, Mouse Study Finds

Research suggests certain proteins reduced bacterial colonization in mice, but findings do not replace medical treatment or clean water.

Smaller Peanut Doses May Offer Protection for More Children with Peanut Allergy

New research suggests very low-dose oral immunotherapy could reduce reaction risk with fewer side effects than standard treatment.

Parents Know Early Peanut Feeding Matters, but Many Are Unsure How to Do It

A new study finds widespread confusion about timing, purpose and consistency of early peanut introduction, despite strong awareness of allergy prevention guidelines.

Some Biodegradable Dishes May Transfer Gluten into Food

A small lab study suggests certain wheat-based compostable plates could pose a risk for people with celiac disease or gluten sensitivity.

School Meals Linked to Small but Real Gains in Kids’ Health and Learning

A new Cochrane review finds that free or subsidized school meals modestly improve math scores, enrollment and growth for children in low- and middle-income countries.

Can Polyphenol-Rich Foods Help Lower Inflammation as We Age?

A clinical trial in adults 60 and older suggests certain plant foods may support healthier aging by influencing inflammation and gut microbes.

Can Vitamin C from Food Help Support Skin Renewal?

Researchers found that eating more vitamin C–rich foods increased skin vitamin C levels and supported measurable changes linked to collagen and cell renewal.

New Study Spotlights a Major Iron Gap for Teen Girls

Heavy periods combined with low-iron diets may sharply increase the odds of deficiency, researchers report.

Why Your Gut May Unlock Different Benefits from the Same Healthy Foods

A new global analysis shows that people vary widely in the enzymes their gut bacteria use to break down plant compounds.

Maternal Eating Disorders Linked to Higher Asthma Risk in Children

A new analysis of more than 130,000 mother-child pairs suggests that early-life respiratory risks may be shaped by maternal health before pregnancy.

Low Iron Intake May Weaken Flu-Fighting Immune Cells, Study Finds

New mouse research suggests that iron deficiency could have lingering effects on how lung immune cells respond to viral infections.

How Your Gut Chooses When to Fight or Heal

New mouse research reveals a nerve-to-immune “switch” that responds to eating patterns, offering clues to why late-night meals may disrupt gut repair.

Community Program Helps Rural Latino Families Build Healthier Habits

A UC Riverside study shows how a culturally tailored, Spanish-language program supported better eating, activity and chronic disease prevention among Latina women in rural communities.

Gluten Sensitivity May Be More About the Gut–Brain Connection Than Gluten

A new Lancet review suggests that most people who think they react to gluten are responding to other parts of wheat, fermentable carbohydrates or the way their brain interprets gut sensations.

Eczema Severity May Influence Whether Kids Outgrow Food Allergies

New research suggests that when eczema starts, how long it lasts and how severe it becomes could affect a child’s ability to develop tolerance to food allergens.

New Food Allergy Therapies Offer Families Fresh Hope

Two new studies highlight how supervised oral immunotherapy can help children safely overcome food fears and why early intervention may change what’s possible for kids with allergies.

Peanut Patch Helps Toddlers Build Long-Term Tolerance, Study Finds

After three years of treatment, most children in a new clinical study could safely tolerate the equivalent of several peanuts, offering hope for families managing food allergies.

What the Gut’s 'Second Brain' Reveals About Immune and Digestive Health

New research from Mass General Brigham shows how gut neurons respond to bacteria, parasites and allergens, offering clues to how the body stays in balance.

One in Five UTIs May Be Tied to Contaminated Meat, Study Finds

Researchers say foodborne E. coli strains could be responsible for thousands of urinary tract infections, with the highest risks in underserved neighborhoods.